import auth from '@/plugins/auth'
import router, { constantRoutes, dynamicRoutes } from '@/router'
import { getRouters, getRoutersPage } from '@/api/menu'
import Layout from '@/layout/index'
import ParentView from '@/components/ParentView'
import InnerLink from '@/layout/components/InnerLink'
import { stringify } from 'uuid'

const permission = {
  state: {
    routes: [],
    addRoutes: [],
    defaultRoutes: [],
    topbarRouters: [],
    sidebarRouters: []
  },
  mutations: {
    SET_ROUTES: (state, routes) => {
      state.addRoutes = routes
      state.routes = constantRoutes.concat(routes)
    },
    SET_DEFAULT_ROUTES: (state, routes) => {
      state.defaultRoutes = constantRoutes.concat(routes)
    },
    SET_TOPBAR_ROUTES: (state, routes) => {
      state.topbarRouters = routes
    },
    SET_SIDEBAR_ROUTERS: (state, routes) => {
      state.sidebarRouters = routes
    },
  },
  actions: {
    // 生成路由
    GenerateRoutes({ commit }) {
      return new Promise(resolve => {
        // 向后端请求路由数据
        getRouters().then(res => {
          const sdata = JSON.parse(JSON.stringify(res.data))
          const rdata = JSON.parse(JSON.stringify(res.data))
          const sidebarRoutes = filterAsyncRouter(sdata)
          // let list = deepFilter(sidebarRoutes)
          // 去掉类型为P的页面,(一般是详情页面，不在菜单栏做展示)
          // let list = JSON.parse(JSON.stringify(sidebarRoutes))
          // list.map((res, index) => {
          //   if (res.menuType == 'P') {
          //     list.splice(index, 1)
          //   } else {
          //     if (res.children) {
          //       res.children.map((res1, index1) => {
          //         console.log(res1, 2222)
          //         if (res1.menuType == 'P') {
          //           console.log(res1, 11111111)
          //           res.children.splice(index1, 1)
          //         } else {
          //           if (res1.children) {
          //             res1.children.map((res2, index2) => {
          //               if (res2.menuType == 'P') {
          //                 res1.children.splice(index2, 1)
          //               }
          //             })
          //           }
          //         }
          //         console.log(res.children.length)
          //       })
          //     }
          //   }
          //   //   if (res.children) {
          //   //     if (res.menuType == 'P') {
          //   //       list.splice(index, 1)
          //   //     }
          //   //     res.children.map((res1, index1) => {
          //   //       if (res1.menuType == 'P') {
          //   //         res.children.splice(index1, 1)
          //   //       }
          //   //       if (res1.children) {
          //   //         res1.children.map((res2, index2) => {
          //   //           if (res2.menuType == 'P') {
          //   //             res1.children.splice(index2, 1)
          //   //           }
          //   //         })

          //   //       } else {
          //   //         if (res1.menuType == 'P') {
          //   //           res.children.splice(index1, 1)
          //   //         }
          //   //       }
          //   //     })
          //   //   } else {
          //   //     if (res.menuType == 'P') {
          //   //       list.splice(index, 1)
          //   //     }
          //   //   }
          // })
          // const list = removeValue(sidebarRoutes, 'P')
          const rewriteRoutes = filterAsyncRouter(rdata, false, true)
          const asyncRoutes = filterDynamicRoutes(dynamicRoutes);
          rewriteRoutes.push({ path: '*', redirect: '/404', hidden: true })
          router.addRoutes(asyncRoutes);
          commit('SET_ROUTES', rewriteRoutes)
          commit('SET_SIDEBAR_ROUTERS', constantRoutes.concat(sidebarRoutes))
          commit('SET_DEFAULT_ROUTES', sidebarRoutes)
          commit('SET_TOPBAR_ROUTES', sidebarRoutes)
          resolve(rewriteRoutes)
        })
        // getRoutersPage().then((res) => {
        //   console.log(res.data, 2222222)
        //   const rdata = JSON.parse(JSON.stringify(res.data))
        //   const rewriteRoutes = filterAsyncRouter(rdata, false, true)
        //   rewriteRoutes.push({ path: '*', redirect: '/404', hidden: true })
        //   commit('SET_ROUTES', rewriteRoutes)
        //   resolve(rewriteRoutes)
        // })
      })
    }
  }
}
function deepFilter(list) {
  return list.filter(item => {
    if (item.children?.length > 0) {
      item.children = deepFilter(item.children);
    }
    return item.menuType !== 'P';
  });
}
// function removeValue(arr, val) {
//   arr.map((res, index) => {
//     if (res.children) {
//       removeValue(res.children, val)
//     } else {
//       if (res.menuType == val) {
//         arr.splice(index, 1)
//       }
//     }
//     if (res.menuType == val) {
//       arr.splice(index, 1)
//     }
//   })
//   return arr
// }

// 遍历后台传来的路由字符串，转换为组件对象
function filterAsyncRouter(asyncRouterMap, lastRouter = false, type = false) {
  return asyncRouterMap.filter(route => {
    if (type && route.children) {
      route.children = filterChildren(route.children)
    }
    if (route.component) {
      // Layout ParentView 组件特殊处理
      if (route.component === 'Layout') {
        route.component = Layout
      } else if (route.component === 'ParentView') {
        route.component = ParentView
      } else if (route.component === 'InnerLink') {
        route.component = InnerLink
      } else {
        route.component = loadView(route.component)
      }
    }
    if (route.children != null && route.children && route.children.length) {
      route.children = filterAsyncRouter(route.children, route, type)
    } else {
      delete route['children']
      delete route['redirect']
    }
    return true
  })
}

function filterChildren(childrenMap, lastRouter = false) {
  var children = []
  childrenMap.forEach((el, index) => {
    if (el.children && el.children.length) {
      if (el.component === 'ParentView' && !lastRouter) {
        el.children.forEach(c => {
          c.path = el.path + '/' + c.path
          if (c.children && c.children.length) {
            children = children.concat(filterChildren(c.children, c))
            return
          }
          children.push(c)
        })
        return
      }
    }
    if (lastRouter) {
      el.path = lastRouter.path + '/' + el.path
      if (el.children && el.children.length) {
        children = children.concat(filterChildren(el.children, el))
        return
      }
    }
    children = children.concat(el)
  })
  return children
}

// 动态路由遍历，验证是否具备权限
export function filterDynamicRoutes(routes) {
  const res = []
  routes.forEach(route => {
    if (route.permissions) {
      if (auth.hasPermiOr(route.permissions)) {
        res.push(route)
      }
    } else if (route.roles) {
      if (auth.hasRoleOr(route.roles)) {
        res.push(route)
      }
    }
  })
  return res
}

export const loadView = (view) => {

  return (resolve) => require([`@/views/${view}`], resolve)

}

export default permission
